EP2692465A1 - Workpiece collecting device - Google Patents
Workpiece collecting device Download PDFInfo
- Publication number
- EP2692465A1 EP2692465A1 EP12762997.0A EP12762997A EP2692465A1 EP 2692465 A1 EP2692465 A1 EP 2692465A1 EP 12762997 A EP12762997 A EP 12762997A EP 2692465 A1 EP2692465 A1 EP 2692465A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- recovery
- opening
- holder
- spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000011084 recovery Methods 0.000 claims abstract description 88
- 239000010730 cutting oil Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/008—Catching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
Definitions
- the present invention relates to a workpiece recovery unit.
- a workpiece recovery unit including a holder, which holds a processed workpiece, and a recovery section for a material, which is disposed laterally to the holder, is conventionally known (refer to Patent Document 1, for example).
- the holder is provided so as to be movable toward the recovery section, the workpiece is transported to the recovery section by the movement of the holder, and the processed workpiece is recovered in the recovery section.
- Patent Document 1 JP 2000-126972A
- Such a workpiece recovery unit has a problem in that swarf or cutting oil while processing a workpiece easily enters the recovery section because the recovery section has an opening in the upper side thereof, and the workpiece is recovered in the recovery section through the opening.
- a workpiece recovery unit of the present invention includes a holder which holds a processed workpiece, and a workpiece recovery section disposed lateral to the holder; wherein the recovery section includes a workpiece recovery opening which opens in an upper side thereof, the holder is provided so as to be movable toward the recovery section, the workpiece is transported to the recovery section to be recovered through the recovery opening, the recovery section is provided with a cover which covers the upper side and a lateral side of the recovery opening, the cover is provided with an entrance which opens downwardly, a workpiece transport path from the entrance to the recovery opening is formed in a step-like shape, the holder is supported so as to be movable in an up-and-down direction and a right-and-left direction to be moved along the transport path, and the workpiece is transported to the upper side of the recovery opening from the entrance by the holder to be recovered in the recovery opening.
- the holder comprises a spindle of a machine tool.
- the machine tool includes two spindles which are opposed to each other to transfer the workpiece, the holder comprises one of the spindles, and the recovery section is provided such that the recovery opening is disposed in a position higher than that of a shaft center of the two spindles when transferring the workpiece.
- the entrance of swarf, cutting oil or the like in the recovery opening from the upper side and the lateral side can be prevented by the cover.
- the processed workpiece can be stably transported by the holder, and can be recovered.
- the holder is made of the spindle of the machine tool, it becomes unnecessary to provide another holder. Specifically, since the holder is made of one of the two spindles which are opposed to each other to transfer the workpiece, and the recovery section is provided such that the recovery opening is disposed in a position higher than that of the shaft center of both spindles when transferring the workpiece, the entrance of swarf, cutting oil or the like while processing a workpiece can be effectively prevented.
- the automatic lathe includes a front spindle 2 which detachably grips a workpiece 1.
- the front spindle 2 is supported so as to be rotatable about a shaft center and slidable in the axis line direction (Z-axis direction).
- a guide bush 3 through which the workpiece 1 gripped by the front spindle 2 is inserted is disposed in front of the front spindle 2.
- the guide bush 3 is mounted on a guide bush support base 4, and guides the workpiece 1 so as to be rotatable and slidable along the Z-axis direction.
- the guide bush support base 4 is fastened on a bed of the automatic lathe.
- An X slide rail 6 extending along the X-axis direction orthogonal to the Z-axis direction in the right-and-left direction is provided in front of the guide bush 3 on the bed.
- An X slide base 7 is mounted on the X slide rail 6 so as to be slidable along the X-axis direction.
- a Z slide rail 8 extending along the Z-axis direction is provided in the X slide base 7 side.
- a Z slide base 9 is mounted on the Z slide rail 8 so as to be slidable along the Z-axis direction.
- a Y slide rail 11 extending along the Y-axis direction (refer to FIG. 2 ) orthogonal to the X-axis direction and the Z-axis direction in the up-and-down direction is provided in the Z slide base 9 side.
- a support base 12 is mounted on the Y slide rail 11 so as to be slidable along the Y-axis direction.
- a back spindle 13 is supported by the support base 12 so as to be rotatable about the shaft center, and opposed to the front spindle 2.
- the back spindle 13 is configured to grip the workpiece 1 in a detachable manner.
- the support base 12 is provided with a front processing tool 14 which processes the workpiece 1 gripped by the front spindle 2.
- the support base 12 is located in the lateral position of the back spindle 13.
- the front processing tool 14 is a tool line in which a plurality of tools are disposed along the X-axis direction, and a plurality of tool lines are arranged along the Y-axis direction.
- Each of the front processing tools 14 and the back spindle 13 integrally slide along the X-axis direction, Z-axis direction and Y-axis direction with the above configuration.
- a back tool post 16 is fastened on the bed side in the lateral position of the guide bush 3.
- a back processing tool 17 which processes the workpiece 1 gripped by the back spindle 13 is attached to the back tool post 16.
- the back tool post 16 is configured such that a plurality of back processing tools 17 is disposed along the X-axis direction as a tool line, and a plurality of tool lines is arranged along the Y-axis direction.
- the automatic lathe is configured to select a predetermined front processing tool 14 by the movement of the support base 12 along the Y-axis direction and the movement of the X slide base 7 along the X-axis direction, and process a part of the workpiece 1 projected from the guide bush 3, which is gripped by the front spindle 2, by the selected front processing tool 14.
- the workpiece 1 can be transferred between the front spindle 2 and the back spindle 13 by moving the support base 12 such that the front spindle 2 and the back spindle 13 are concentrically disposed.
- the processed workpiece 1 gripped by the front spindle 2 can be delivered to the back spindle 13.
- a predetermined back processing tool 17 is selected by the movement of the support base 12 along the Y-axis direction and the movement of the X slide base 7 along the X-axis direction, and the workpiece 1 gripped by the back spindle 13 can be processed with the selected back processing tool 17 by the movement of the support base 12.
- the processed workpiece 1' gripped by the front spindle 2 can be gripped by the back spindle 13 so as to be further processed.
- a workpiece recovery basket 15 which receives the workpiece 1' processed by the front spindle 2 is integrally fastened to the back spindle 13, so that the workpiece 1' is not processed by the back spindle 13.
- the back spindle 13 is brought close to the front spindle 2 so as to be concentric with the front spindle 2, and the processed workpiece 1' obtained by cutting the workpiece 1 is received in the workpiece recovery basket 15 so as to be held in the back spindle 13.
- a chute 18 which recovers the processed workpiece 1' held in the back spindle 13 is provided lateral to the back processing tool 17.
- the chute 18 is fastened to the back tool post 16.
- the chute 18 can be easily mounted by removing a part of the back processing tool 17 from the back tool post 16, and using the mounted portion of the back processing tool 17 of the back tool post 16.
- the chute 18 is formed in a box shape having in the upper side thereof an opening, and the opening constitutes a recovery opening 19. By dropping the workpiece 1' in the recovery opening 19, the workpiece 1' can be recovered in the chute 18.
- the chute 18 is disposed such that the recovery opening 19 is located in a position higher than that of the shaft center when transferring the workpiece 1 between the back spindle 13 and the front spindle 2.
- a cover 21 which covers the upper side and the lateral side of the recovery opening 19 is fastened to the chute 18.
- a lateral portion 21a of the cover 21 on the back spindle 13 side extends to the neighborhood of the back processing tool 17 toward the guide bush 3 through the area over the recovery opening 19, and the leading end portion of the extended portion inclines oblique downward.
- the entrance 22 is formed in the oblique downward direction.
- the transport path 23 for transporting the processed workpiece 1' is formed from the entrance 22 to the upper side position of the recovery opening 19.
- the transport path 23 includes an oblique upward straight inclination path 23a from the end of the entrance 22 to the lateral side of the recovery opening 19 and an approximate horizontal path 23b from the end of the inclination path 23a to the upper side of the recovery opening 19.
- the transport path 23 is formed in a step-like path from the entrance 22 to the upper side position of the recovery opening 19 to have a space which allows at least the passage of the workpiece recovery basket 15.
- the height of the shaft center of the front spindle 2 is set so as to be substantially the same as that of the end of the inclination path 23a.
- the back spindle 13 moves toward the end of the inclination path 23a along the approximate horizontal path 25 upon the reception of the processed workpiece 1' from the front spindle 2.
- the workpiece recovery basket 15 is introduced in the cover 21 through the entrance 22 in the middle of the inclination path 23a, and is moved to the upper side of the recovery opening 19 along the horizontal path 23b, so that the workpiece 1' held in the back spindle 13 can be transported.
- the workpiece recovery unit includes the back spindle 13 as a holder which holds the processed workpiece 1' and the chute 18 as a recovery section.
- the entrance of swarf, cutting oil or the like in the recovery opening 19 from the upper side and the lateral side can be prevented by the cover 21. Therefore, the processed workpiece 1' can be stably transported and recovered by the back spindle 13.
- the transport path 23 is a combination of the straight paths, the cover 21 and the transport path 23 can be simplified, and the entrance of swarf or cutting oil in the recovery section 18 can be prevented with a simple configuration.
- the processed workpiece 1' can be transported along the transport path 23 and the path 25, so that the movement stroke along the Z-axis direction of the support base 12 can be controlled; thus, the automatic lathe can also be downsized.
- the back processing tool 17 located below the entrance 22 being unmounted the back spindle 13 can be quickly brought close to the back tool post 16, and the workpiece 1' can be transported in the chute 18. The movement stroke of the support base 12 along the Z-axis direction can be therefore further reduced.
- the workpiece processed in the front spindle 2 can be gripped by the back spindle 13 so as to be transferred, and the processed workpiece 1' can be transported to the upper side of the recovery opening 19 while gripping the processed workpiece 1' by the back spindle 13 so as to be recovered in the chute 18.
- the workpiece 1' processed in the front spindle 2 is gripped by the back spindle 13 so as to be further processed, and the further processed workpiece 1' gripped by the back spindle 13 can be recovered in the chute 18.
- the transport path 23 can be obtained by the combination of paths along a vertical line or a circular arc line according to a shape of the cover 21 or a shape of a structure around the cover 21 in addition to the combination of the straight inclination path 23a and the approximate horizontal path 23b.
- the entrance 22 opens in the vertical downward direction.
- the transport path can be constituted by the combination of the horizontal path and the vertical line path.
- the lateral side of the recovery opening 19 can be almost completely covered by the cover 21.
- the entrance of scattering swarf, cutting oil or the like in the recovery opening 19 can be reduced.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
Description
- The present invention relates to a workpiece recovery unit.
- A workpiece recovery unit including a holder, which holds a processed workpiece, and a recovery section for a material, which is disposed laterally to the holder, is conventionally known (refer to
Patent Document 1, for example). In such a workpiece recovery unit, the holder is provided so as to be movable toward the recovery section, the workpiece is transported to the recovery section by the movement of the holder, and the processed workpiece is recovered in the recovery section. - Patent Document 1:
JP 2000-126972A - However, such a workpiece recovery unit has a problem in that swarf or cutting oil while processing a workpiece easily enters the recovery section because the recovery section has an opening in the upper side thereof, and the workpiece is recovered in the recovery section through the opening.
- To solve the above problem, first, a workpiece recovery unit of the present invention includes a holder which holds a processed workpiece, and a workpiece recovery section disposed lateral to the holder; wherein the recovery section includes a workpiece recovery opening which opens in an upper side thereof, the holder is provided so as to be movable toward the recovery section, the workpiece is transported to the recovery section to be recovered through the recovery opening, the recovery section is provided with a cover which covers the upper side and a lateral side of the recovery opening, the cover is provided with an entrance which opens downwardly, a workpiece transport path from the entrance to the recovery opening is formed in a step-like shape, the holder is supported so as to be movable in an up-and-down direction and a right-and-left direction to be moved along the transport path, and the workpiece is transported to the upper side of the recovery opening from the entrance by the holder to be recovered in the recovery opening.
- Second, the holder comprises a spindle of a machine tool.
- Third, the machine tool includes two spindles which are opposed to each other to transfer the workpiece, the holder comprises one of the spindles, and the recovery section is provided such that the recovery opening is disposed in a position higher than that of a shaft center of the two spindles when transferring the workpiece.
- According to the workpiece recovery unit of the present invention as described above, the entrance of swarf, cutting oil or the like in the recovery opening from the upper side and the lateral side can be prevented by the cover. Thus, the processed workpiece can be stably transported by the holder, and can be recovered.
- In addition, since the holder is made of the spindle of the machine tool, it becomes unnecessary to provide another holder. Specifically, since the holder is made of one of the two spindles which are opposed to each other to transfer the workpiece, and the recovery section is provided such that the recovery opening is disposed in a position higher than that of the shaft center of both spindles when transferring the workpiece, the entrance of swarf, cutting oil or the like while processing a workpiece can be effectively prevented.
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FIG. 1 is a plan view of a main part of an automatic lathe including a workpiece recovery unit of the present invention. -
FIG. 2 is a front view of the substantial part of the automatic lathe including the workpiece recovery unit of the present invention. -
FIG. 3 is a plan view of the substantial part of the automatic lathe in which a processed workpiece is received in a workpiece recovery basket from a front spindle. -
FIG. 4 is a plan view illustrating the substantial part of the automatic lathe in which the processed workpiece is transported above a chute. - One embodiment of a workpiece recovery unit of the present invention will be described with reference to an example of an automatic lathe, which is a machine tool including the workpiece recovery unit of the present invention.
- As illustrated in
FIG. 1 , the automatic lathe includes afront spindle 2 which detachably grips aworkpiece 1. Thefront spindle 2 is supported so as to be rotatable about a shaft center and slidable in the axis line direction (Z-axis direction). Aguide bush 3 through which theworkpiece 1 gripped by thefront spindle 2 is inserted is disposed in front of thefront spindle 2. - The
guide bush 3 is mounted on a guidebush support base 4, and guides theworkpiece 1 so as to be rotatable and slidable along the Z-axis direction. The guidebush support base 4 is fastened on a bed of the automatic lathe. AnX slide rail 6 extending along the X-axis direction orthogonal to the Z-axis direction in the right-and-left direction is provided in front of theguide bush 3 on the bed. AnX slide base 7 is mounted on theX slide rail 6 so as to be slidable along the X-axis direction. -
A Z slide rail 8 extending along the Z-axis direction is provided in theX slide base 7 side. A Zslide base 9 is mounted on theZ slide rail 8 so as to be slidable along the Z-axis direction. -
A Y slide rail 11 extending along the Y-axis direction (refer toFIG. 2 ) orthogonal to the X-axis direction and the Z-axis direction in the up-and-down direction is provided in theZ slide base 9 side. Asupport base 12 is mounted on theY slide rail 11 so as to be slidable along the Y-axis direction. - A
back spindle 13 is supported by thesupport base 12 so as to be rotatable about the shaft center, and opposed to thefront spindle 2. Theback spindle 13 is configured to grip theworkpiece 1 in a detachable manner. - The
support base 12 is provided with afront processing tool 14 which processes theworkpiece 1 gripped by thefront spindle 2. Thesupport base 12 is located in the lateral position of theback spindle 13. In this embodiment, thefront processing tool 14 is a tool line in which a plurality of tools are disposed along the X-axis direction, and a plurality of tool lines are arranged along the Y-axis direction. - Each of the
front processing tools 14 and theback spindle 13 integrally slide along the X-axis direction, Z-axis direction and Y-axis direction with the above configuration. - A
back tool post 16 is fastened on the bed side in the lateral position of theguide bush 3. Aback processing tool 17 which processes theworkpiece 1 gripped by theback spindle 13 is attached to theback tool post 16. - In this embodiment, the
back tool post 16 is configured such that a plurality ofback processing tools 17 is disposed along the X-axis direction as a tool line, and a plurality of tool lines is arranged along the Y-axis direction. - The automatic lathe is configured to select a predetermined
front processing tool 14 by the movement of thesupport base 12 along the Y-axis direction and the movement of theX slide base 7 along the X-axis direction, and process a part of theworkpiece 1 projected from theguide bush 3, which is gripped by thefront spindle 2, by the selectedfront processing tool 14. Theworkpiece 1 can be transferred between thefront spindle 2 and theback spindle 13 by moving thesupport base 12 such that thefront spindle 2 and theback spindle 13 are concentrically disposed. - By transferring the
workpiece 1, the processedworkpiece 1 gripped by thefront spindle 2 can be delivered to theback spindle 13. A predeterminedback processing tool 17 is selected by the movement of thesupport base 12 along the Y-axis direction and the movement of theX slide base 7 along the X-axis direction, and theworkpiece 1 gripped by theback spindle 13 can be processed with the selectedback processing tool 17 by the movement of thesupport base 12. For example, the processed workpiece 1' gripped by thefront spindle 2 can be gripped by theback spindle 13 so as to be further processed. - However, in the present embodiment, a
workpiece recovery basket 15 which receives the workpiece 1' processed by thefront spindle 2 is integrally fastened to theback spindle 13, so that the workpiece 1' is not processed by theback spindle 13. - As illustrated in
FIG. 3 , theback spindle 13 is brought close to thefront spindle 2 so as to be concentric with thefront spindle 2, and the processed workpiece 1' obtained by cutting theworkpiece 1 is received in theworkpiece recovery basket 15 so as to be held in theback spindle 13. - A
chute 18 which recovers the processed workpiece 1' held in theback spindle 13 is provided lateral to theback processing tool 17. Thechute 18 is fastened to theback tool post 16. Thechute 18 can be easily mounted by removing a part of theback processing tool 17 from theback tool post 16, and using the mounted portion of theback processing tool 17 of theback tool post 16. - The
chute 18 is formed in a box shape having in the upper side thereof an opening, and the opening constitutes a recovery opening 19. By dropping the workpiece 1' in the recovery opening 19, the workpiece 1' can be recovered in thechute 18. Thechute 18 is disposed such that therecovery opening 19 is located in a position higher than that of the shaft center when transferring theworkpiece 1 between theback spindle 13 and thefront spindle 2. - A
cover 21 which covers the upper side and the lateral side of the recovery opening 19 is fastened to thechute 18. A part of the lateral side of thecover 21, which is opposed to theback spindle 13, opens to allow at least the passage of theworkpiece recovery basket 15 as the after-describedtransport path 23. - A
lateral portion 21a of thecover 21 on theback spindle 13 side extends to the neighborhood of theback processing tool 17 toward theguide bush 3 through the area over the recovery opening 19, and the leading end portion of the extended portion inclines oblique downward. Anentrance 22, which is divided by the leading end portion and the upper edge of thechute 18 and opens downward, is formed. - In the present embodiment, the
entrance 22 is formed in the oblique downward direction. Thetransport path 23 for transporting the processed workpiece 1' is formed from theentrance 22 to the upper side position of the recovery opening 19. - In the present embodiment, the
transport path 23 includes an oblique upwardstraight inclination path 23a from the end of theentrance 22 to the lateral side of the recovery opening 19 and an approximatehorizontal path 23b from the end of theinclination path 23a to the upper side of the recovery opening 19. Thetransport path 23 is formed in a step-like path from theentrance 22 to the upper side position of therecovery opening 19 to have a space which allows at least the passage of theworkpiece recovery basket 15. - The height of the shaft center of the
front spindle 2 is set so as to be substantially the same as that of the end of theinclination path 23a. Theback spindle 13 moves toward the end of theinclination path 23a along the approximatehorizontal path 25 upon the reception of the processed workpiece 1' from thefront spindle 2. - As illustrated in
FIGS. 2 ,4 , after theworkpiece recovery basket 15 is moved toward the end of theinclination path 23a along thepath 25 by the movement of thesupport base 12, theback spindle 13 is moved oblique upward along theinclination path 23a. - The
workpiece recovery basket 15 is introduced in thecover 21 through theentrance 22 in the middle of theinclination path 23a, and is moved to the upper side of therecovery opening 19 along thehorizontal path 23b, so that the workpiece 1' held in theback spindle 13 can be transported. - By rotating the
back spindle 13 with theworkpiece recovery basket 15 being located above therecovery opening 19, the workpiece 1' housed in theworkpiece recovery basket 15 is dropped in therecovery opening 19 so as to be recovered in thechute 18. In addition, since a part of the lateral side of thecover 21, which is opposed to theback spindle 13, opens, the movement of theback spindle 13 cannot be disturbed. - In the automatic lathe, the workpiece recovery unit includes the
back spindle 13 as a holder which holds the processed workpiece 1' and thechute 18 as a recovery section. - In the workpiece recovery unit, the entrance of swarf, cutting oil or the like in the recovery opening 19 from the upper side and the lateral side can be prevented by the
cover 21. Therefore, the processed workpiece 1' can be stably transported and recovered by theback spindle 13. - Since the
transport path 23 is a combination of the straight paths, thecover 21 and thetransport path 23 can be simplified, and the entrance of swarf or cutting oil in therecovery section 18 can be prevented with a simple configuration. - Moreover, the processed workpiece 1' can be transported along the
transport path 23 and thepath 25, so that the movement stroke along the Z-axis direction of thesupport base 12 can be controlled; thus, the automatic lathe can also be downsized. With theback processing tool 17 located below theentrance 22 being unmounted, theback spindle 13 can be quickly brought close to theback tool post 16, and the workpiece 1' can be transported in thechute 18. The movement stroke of thesupport base 12 along the Z-axis direction can be therefore further reduced. - In addition, without mounting the
work recovery basket 15 in theback spindle 13, the workpiece processed in thefront spindle 2 can be gripped by theback spindle 13 so as to be transferred, and the processed workpiece 1' can be transported to the upper side of therecovery opening 19 while gripping the processed workpiece 1' by theback spindle 13 so as to be recovered in thechute 18. In this case, the workpiece 1' processed in thefront spindle 2 is gripped by theback spindle 13 so as to be further processed, and the further processed workpiece 1' gripped by theback spindle 13 can be recovered in thechute 18. - The
transport path 23 can be obtained by the combination of paths along a vertical line or a circular arc line according to a shape of thecover 21 or a shape of a structure around thecover 21 in addition to the combination of thestraight inclination path 23a and the approximatehorizontal path 23b. - The
entrance 22 opens in the vertical downward direction. With this configuration, the transport path can be constituted by the combination of the horizontal path and the vertical line path. In this case, the lateral side of therecovery opening 19 can be almost completely covered by thecover 21. As such, the entrance of scattering swarf, cutting oil or the like in therecovery opening 19 can be reduced. - The present application is based on and claims priority from Japanese Patent Application No.
2011-069977, filed on March 28, 2011 -
- 1'
- processed workpiece
- 13
- back spindle (holder)
- 18
- chute (recovery section)
- 19
- recovery opening
- 21
- cover
- 22
- entrance
- 23
- transport path
Claims (3)
- A workpiece recovery unit, comprising:a holder which holds a processed workpiece; anda workpiece recovery section disposed lateral to the holder; whereinthe recovery section includes a workpiece recovery opening, which opens in an upper side thereof,the holder is provided so as to be movable toward the recovery section,the workpiece is transported to the recovery section so as to be recovered through the recovery opening,the recovery section is provided with a cover which covers the upper side and a lateral side of the recovery opening,the cover is provided with an entrance which opens downwardly,a workpiece transport path from the entrance to the recovery opening is formed in a step-like shape,the holder is supported so as to be movable in an up-and-down direction and a right-and-left direction so as to be moved along the transport path, andthe workpiece is transported to the upper side of the recovery opening from the entrance by the holder so as to be recovered in the recovery opening.
- The workpiece recovery unit according to Claim 1, wherein the holder comprises a spindle of a machine tool.
- The workpiece recovery unit according to Claim 2, wherein
the machine tool includes two spindles which are opposed to each other to transfer the workpiece,
the holder comprises one of the spindles, and
the recovery section is provided such that the recovery opening is disposed in a position higher than that of a shaft center of the two spindles when transferring the workpiece.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011069977 | 2011-03-28 | ||
PCT/JP2012/054196 WO2012132648A1 (en) | 2011-03-28 | 2012-02-22 | Workpiece collecting device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2692465A1 true EP2692465A1 (en) | 2014-02-05 |
EP2692465A4 EP2692465A4 (en) | 2015-03-04 |
EP2692465B1 EP2692465B1 (en) | 2016-03-30 |
Family
ID=46930409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12762997.0A Active EP2692465B1 (en) | 2011-03-28 | 2012-02-22 | Workpiece collecting device |
Country Status (8)
Country | Link |
---|---|
US (1) | US9289871B2 (en) |
EP (1) | EP2692465B1 (en) |
JP (1) | JP5596851B2 (en) |
KR (1) | KR101532501B1 (en) |
CN (1) | CN103476525B (en) |
ES (1) | ES2579322T3 (en) |
TW (1) | TWI538772B (en) |
WO (1) | WO2012132648A1 (en) |
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CN112846289A (en) * | 2020-12-29 | 2021-05-28 | 广州市荻亚机电设备有限公司 | Metal sheet loading attachment in compressor housing intelligent manufacturing |
EP4066989A1 (en) * | 2021-03-31 | 2022-10-05 | Star Micronics Co., Ltd. | Lathe |
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CN108568692B (en) * | 2017-12-05 | 2021-03-02 | 湖南飞沃新能源科技股份有限公司 | Machine-position loading and unloading equipment |
JP2022096775A (en) * | 2020-12-18 | 2022-06-30 | スター精密株式会社 | Machine tool and control method thereof |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0541605U (en) | 1991-11-11 | 1993-06-08 | 村田機械株式会社 | Lathe work discharge device |
JP4303810B2 (en) | 1998-10-26 | 2009-07-29 | 中村留精密工業株式会社 | Lathe work discharging device |
JP4842468B2 (en) | 2000-10-06 | 2011-12-21 | シチズンホールディングス株式会社 | Machine tool with automatic supply / discharge device and processing method thereof |
JP2004114226A (en) * | 2002-09-26 | 2004-04-15 | Mori Seiki Hitech Co Ltd | Vertical machine tool with movable main spindle |
DE10344497A1 (en) | 2003-09-24 | 2005-04-28 | Stephan Huber | Device for removing production parts from a process space |
CN1880011B (en) | 2005-06-16 | 2011-06-15 | 小松Ntc株式会社 | Workpiece transmission device |
US7992474B2 (en) * | 2005-11-02 | 2011-08-09 | Citizen Holdings Co., Ltd. | Cover structure and machine tool with the cover structure |
WO2008054018A1 (en) | 2006-10-31 | 2008-05-08 | Citizen Holdings Co., Ltd. | Part conveyance device and machine tool with the conveyance device |
JP5014970B2 (en) * | 2007-12-12 | 2012-08-29 | ヤマザキマザック株式会社 | Workpiece loading / unloading device for complex machining lathe |
-
2012
- 2012-02-22 EP EP12762997.0A patent/EP2692465B1/en active Active
- 2012-02-22 CN CN201280016851.4A patent/CN103476525B/en active Active
- 2012-02-22 KR KR1020137025136A patent/KR101532501B1/en active IP Right Grant
- 2012-02-22 US US14/008,472 patent/US9289871B2/en active Active
- 2012-02-22 ES ES12762997.0T patent/ES2579322T3/en active Active
- 2012-02-22 JP JP2013507264A patent/JP5596851B2/en active Active
- 2012-02-22 WO PCT/JP2012/054196 patent/WO2012132648A1/en active Application Filing
- 2012-03-13 TW TW101108444A patent/TWI538772B/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112846289A (en) * | 2020-12-29 | 2021-05-28 | 广州市荻亚机电设备有限公司 | Metal sheet loading attachment in compressor housing intelligent manufacturing |
CN112846289B (en) * | 2020-12-29 | 2022-02-01 | 广州市荻亚机电设备有限公司 | Metal sheet loading attachment in compressor housing intelligent manufacturing |
EP4066989A1 (en) * | 2021-03-31 | 2022-10-05 | Star Micronics Co., Ltd. | Lathe |
US11964330B2 (en) | 2021-03-31 | 2024-04-23 | Star Micronics Co., Ltd. | Lathe |
Also Published As
Publication number | Publication date |
---|---|
CN103476525A (en) | 2013-12-25 |
JP5596851B2 (en) | 2014-09-24 |
US20140015182A1 (en) | 2014-01-16 |
US9289871B2 (en) | 2016-03-22 |
CN103476525B (en) | 2015-10-21 |
TW201302378A (en) | 2013-01-16 |
TWI538772B (en) | 2016-06-21 |
EP2692465B1 (en) | 2016-03-30 |
JPWO2012132648A1 (en) | 2014-07-24 |
ES2579322T3 (en) | 2016-08-09 |
EP2692465A4 (en) | 2015-03-04 |
WO2012132648A1 (en) | 2012-10-04 |
KR101532501B1 (en) | 2015-06-29 |
KR20130132996A (en) | 2013-12-05 |
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